Matematika

Pertanyaan

A) 1 1/2 × 2 2/3

B) 2/3 × 1 1/5

C) 1/3 ÷ 4

D) 2 7/10 ÷ 3

2 Jawaban

  • A} 1 1/2 × 2 2/3 = 2×1 (1/2×2/3)
    = 2 2/6 = 2 1/3
    B} 2/3 × 1 1/5 = 2/3 × 6/5 = 12/15 = 4/5
    C} 1/3 ÷ 4 = 1/3 × 4 = 1/3 × 4/4 = 4/12 = 1/3
    D} 2 7/10 ÷ 3 = 27/10 ÷ 3/3
    = 27/10 × 3/3 = 81/30 = 2 21/30 = 2 7/10

  • A) 14 2/3
    B) 1 7/15
    C) 1/12
    D) 9/10

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